Tobacco companies are businesses that produce and sell products made from the tobacco plant, primarily cigarettes, cigars, and smokeless tobacco. These companies play a significant role in the global economy, generating billions of dollars in revenue each year. Major tobacco companies include Philip Morris International, British American Tobacco, and Japan Tobacco International. Over the years, tobacco companies have faced increasing scrutiny due to the health risks associated with their products, including lung cancer and heart disease. Many countries have implemented regulations to limit advertising and promote public awareness about the dangers of tobacco use, leading to a decline in smoking rates in some regions.